WO2018206272A1 - Dispositif d'alimentation en carburant pour système d'injection de carburant ainsi que système d'injection de carburant - Google Patents

Dispositif d'alimentation en carburant pour système d'injection de carburant ainsi que système d'injection de carburant Download PDF

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Publication number
WO2018206272A1
WO2018206272A1 PCT/EP2018/060218 EP2018060218W WO2018206272A1 WO 2018206272 A1 WO2018206272 A1 WO 2018206272A1 EP 2018060218 W EP2018060218 W EP 2018060218W WO 2018206272 A1 WO2018206272 A1 WO 2018206272A1
Authority
WO
WIPO (PCT)
Prior art keywords
delivery device
fuel
pressure
metering unit
fuel delivery
Prior art date
Application number
PCT/EP2018/060218
Other languages
German (de)
English (en)
Inventor
Francesco Lucarelli
Thomas Koenig
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2018206272A1 publication Critical patent/WO2018206272A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/14—Feeding by means of driven pumps the pumps being combined with other apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/18—Feeding by means of driven pumps characterised by provision of main and auxiliary pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/34—Varying fuel delivery in quantity or timing by throttling of passages to pumping elements or of overflow passages, e.g. throttling by means of a pressure-controlled sliding valve having liquid stop or abutment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0056—Throttling valves, e.g. having variable opening positions throttling the flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/28—Details of throttles in fuel-injection apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'invention concerne un système d'alimentation (1) en carburant pour un système d'injection de carburant, en particulier pour un système d'injection à rampe commune. Le système d'alimentation comporte une unité de dosage (2) pour la régulation du débit côté aspiration dans la zone basse pression (3) d'une pompe à carburant haute pression (4), l'unité de dosage (2) étant reliée à une soupape d'admission (6) de la pompe à carburant haute pression (4) par l'intermédiaire d'un trajet d'écoulement (5). Selon l'invention, un point d'étranglement (7) est formé dans le trajet d'écoulement (5) entre l'unité de dosage (2) et la soupape d'admission (6). L'invention concerne également un système d'injection de carburant pourvu d'un dispositif d'alimentation (1) en carburant selon l'invention.
PCT/EP2018/060218 2017-05-11 2018-04-20 Dispositif d'alimentation en carburant pour système d'injection de carburant ainsi que système d'injection de carburant WO2018206272A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017207991.6 2017-05-11
DE102017207991.6A DE102017207991A1 (de) 2017-05-11 2017-05-11 Kraftstofffördereinrichtung für ein Kraftstoffeinspritzsystem sowie Kraftstoffeinspritzsystem

Publications (1)

Publication Number Publication Date
WO2018206272A1 true WO2018206272A1 (fr) 2018-11-15

Family

ID=62044726

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/060218 WO2018206272A1 (fr) 2017-05-11 2018-04-20 Dispositif d'alimentation en carburant pour système d'injection de carburant ainsi que système d'injection de carburant

Country Status (2)

Country Link
DE (1) DE102017207991A1 (fr)
WO (1) WO2018206272A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007038426A1 (de) 2007-08-14 2009-02-19 Robert Bosch Gmbh Kraftstoffeinspritzsystem
DE102007053800A1 (de) * 2007-11-12 2009-05-14 Robert Bosch Gmbh Kraftstoffsystem einer Brennkraftmaschine
DE102009026715A1 (de) * 2009-06-04 2010-12-09 Robert Bosch Gmbh Kraftstoffhochdruckpumpe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007038426A1 (de) 2007-08-14 2009-02-19 Robert Bosch Gmbh Kraftstoffeinspritzsystem
DE102007053800A1 (de) * 2007-11-12 2009-05-14 Robert Bosch Gmbh Kraftstoffsystem einer Brennkraftmaschine
DE102009026715A1 (de) * 2009-06-04 2010-12-09 Robert Bosch Gmbh Kraftstoffhochdruckpumpe

Also Published As

Publication number Publication date
DE102017207991A1 (de) 2018-11-15

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